The Heater,water,electric, cataloged under National Stock Number 4520-01-597-3570, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Sure Marine Service Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-597-3570 |
| Primary Part Number | 40621 |
| Item Name | Heater,water,electric |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Sure Marine Service Inc. |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| Capacity | 6.0 GALLONS TANK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40621 PRIMARY | Sure Marine Service Inc. (USA) |
NSN 4520-01-597-3570 is a Heater,water,electric, manufactured by Sure Marine Service Inc., classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-01-597-3570 has 1 cross-referenced part number: 40621 (Sure Marine Service Inc.).
There are 9 known substitutes for 4520-01-597-3570: 5998-00-042-8778, 6695-00-055-6404, 5935-00-264-7845 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40621: Overall Depth: 19.125 INCHES NOMINAL IN; Overall Width: 13.625 INCHES NOMINAL IN; Special Features: TIG WELDED ALUMINUM TANK WITH STAINLESS COVER, BUILT-IN FRONT HEAT EXCHANGER, IGNITION PROTECTION, PRESSURE RELIEF VALVE, DRAIN, FRONT/BACK MOUNTING TABS; 240 VOLT L1 AND L2 WATER HEATER; Overall Height: 13.625 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.